Let's create a page which calls the twitter search API and displays the last few results for Code School. The first step is to construct the proper URL, which is all you need to do in this challenge. Complete the URL options which will be sent into t…
URL和URI的区别: URL是统一资源定位符 URI是统一资源标识符 URL是URI的子集(URL一定是URI,但URI不一定是URL) node中的URL中的url.parse protocol:表示url采用的什么协议 slashes:表示是否有斜线 host:表示主机 post:表示端口(默认80端口不显示) hostname:表示主机名称 hash:指的是#号后的内容包含#<br> search:指的是?后#前的内容,包含? query:指的是search不包含?的内容 pathna…
在浏览器输入存在的网址的一个交互过程 1.用户通过浏览器发送一个http的请求到指定的主机 2.服务器接收到该请求,对该请求进行分析和处理 3.服务器处理完成以后,返回对应的数据到用户机器 4.浏览器接收服务器返回的数据,并根据接收到的进行分析和处理 由客户端发送一个http请求到指定的服务端 -> 服务端接收并处理请求 -> 返回数据到客户端 Node.js 创建第一个应用  如果我们使用 PHP 来编写后端的代码时,需要 Apache 或者 Nginx 的 HTTP 服务器, 来处理客户端…
极简 Node.js 入门系列教程:https://www.yuque.com/sunluyong/node 本文更佳阅读体验:https://www.yuque.com/sunluyong/node/url-qs 在处理 web 信息的时候经常需要解析 url,Node.js 提供了方便的处理模块 URL 规范 URL 全称是 uniform resource locator,统一资源定位符,根据一个 url 能够在全球确定一个唯一的资源,URL 由不同的字段组成,url 模块提供了两套 AP…
Path模块 该模块提供了对文件或目录路径处理的方法,使用require('path')引用. 1.获取文件路径最后部分basename 使用basename(path[,ext])方法来获取路径的最后一部分,参数ext是后缀名,如下所示: var bname = path.basename('../test.txt'); console.log(bname);//test.txt var bname = path.basename('../test.txt','.txt'); console.…
Below we've already created an express server, but we want to start building a real-time Q&A moderation service and we've decided to use socket.io. Require socket.io and make sure it listens for requests on the express app. Also, print out a message…
Create an express route that responds to GET requests at the URL /tweets that responds with the filetweets.html located in the same directory as app.js Make sure you create the app and listen on port 8080 var express = require('express'); var app = e…
Let's start practicing using the redis key-value store from our node application. First require the redismodule, and then create a redis client that we can use to call commands on our redis server. Use the client to set the name key to your name. var…
Clients can also answer each other questions, so let's build that feature by first listening for the'answer' event on the client, which will send us both the question and answer, which we want to broadcast out to the rest of the connected clients. va…
Now let's create an express server which queries out for this search term and just returns the json. You'll need to do a few things: Require the express module Create the express server 'app' On a get request to '/', pipe the request(searchURL) to th…